Metasurfaces offer an innovative approach to controlling light. Courtesy: P Genevet Vertical-cavity surface-emitting lasers (VCSELs) have emerged as a highly versatile light source over the past 30 ...
LANCASTER — Super-heated steel has a smell, an distinct mixture of sweat, carbon, iron, oil and heat. It rolls off the metal and permeates the air. The scent isn't offensive, but rather harkens to ...
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